[PATCH Ping v2] Extend -fstack-protector-strong to cover calls with return slot

[Florian Weimer]

On 02/03/2014 10:05 AM, Florian Weimer wrote:
> On 01/17/2014 11:26 AM, Florian Weimer wrote:
>> On 01/08/2014 03:57 PM, Florian Weimer wrote:
>>
>>> What about the attached version?  It still does not exactly match your
>>> original suggestion because gimple_call_lhs (stmt) can be NULL_TREE if
>>> the result is ignored and this case needs instrumentation, as you
>>> explained, so I use the function return type in the aggregate_value_p
>>> check.
>>>
>>> Testing is still under way, but looks good so far.  I'm bootstrapping
>>> with BOOT_CFLAGS="-O2 -g -fstack-protector-strong" with Ada enabled, for
>>> additional coverage.
>>
>> Testing passed without new regressions.  Is this okay for trunk?
>
> Ping?  Thanks.

Now that 4.9 is released, I'd like to propose again this fix for inclusion:

<http://gcc.gnu.org/ml/gcc-patches/2014-01/msg00374.html>

-- 
Florian Weimer / Red Hat Product Security Team